Champion Sports Equipped Medicine Ball (Yellow 13.22 Lbs)http://www.amazon.com/gp/product/B0029VSOQA?tag=pandowo-20Each ball is fitted with a strong rope for a wide variety of activities swinging throwing and chopping Remove rope and use asa a regular medicine ball Two soft rings keep the rope firmly in place Unconditional 5-year guarantee on all items from date of purchase Less